199938440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{384497}}^1$

素因数の和:384521

約数の個数: 32

約数和(自身を含む): 484467480

約数和(自身を除く): 284529040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 384497, 768994, 1537988, 1922485, 3075976, 3844970, 4998461, 7689940, 9996922, 15379880, 19993844, 24992305, 39987688, 49984610, 99969220, 199938440]

約数ペア:

[(1, 199938440), (2, 99969220), (4, 49984610), (5, 39987688), (8, 24992305), (10, 19993844), (13, 15379880), (20, 9996922), (26, 7689940), (40, 4998461), (52, 3844970), (65, 3075976), (104, 1922485), (130, 1537988), (260, 768994), (520, 384497)]